Help please: Sin270-2cos180 ?
Answers
Answered by
0
sin270 = -1
2cos180 = 2×(-1) = -2
sin270 - 2cos180
=> -1 - (-2)
=> -1 + 2
=> 1
therefore the answer is 1
2cos180 = 2×(-1) = -2
sin270 - 2cos180
=> -1 - (-2)
=> -1 + 2
=> 1
therefore the answer is 1
PratyushShit:
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Answered by
3
If we take an angle more such as 270° and 180°
And measure them from the opposite side we get:
270° as 90°
AND
180° as 0°
∴Sin90°-2Cos0°
= 1 - 2*1
= 1-2
= -1
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